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- W2070106581 abstract "Monthly images of Normalized Difference Vegetation Index (NDVI) from the moderate resolution imaging spectroradiometer (MODIS) are used to characterize the spatio-temporal variability of vegetation in a large South American wetland (SAW) (located in the Parana River floodplain) during the period 2000–2009. While these data do not meet the requirements of classical component extraction techniques (CETs) (e.g. principal component analysis (PCA)), they are suitable for the modern method named independent component analysis (ICA). Hence, ICA is used here to extract three statistically independent modes of inter-annual MODIS-NDVI variability that are successfully interpreted as vegetation responses to hydrological changes. One mode isolates the vegetation response to a severe drought associated with La Nina 2007–2008. Another component reflects the expansion (or contraction) of lagoons owing to high (or low) water level of the Parana River. The remaining mode captures the vegetation decrease caused by the floo..." @default.
- W2070106581 created "2016-06-24" @default.
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- W2070106581 date "2011-09-07" @default.
- W2070106581 modified "2023-09-24" @default.
- W2070106581 title "Independent component analysis of MODIS-NDVI data in a large South American wetland" @default.
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- W2070106581 doi "https://doi.org/10.1080/01431161.2011.603376" @default.
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